One Nucleus That Will Prove to Be Important in the Study

Multiple Choice

One nucleus that will prove to be important in the study of the evolving universe is ⁵⁶Fe. This isotope of iron has 26 electrons as a neutral atom. The nuclear isotope has

A) 26 protons and 56 neutrons.
B) 26 protons and 30 neutrons.
C) 56 protons and 26 neutrons.
D) 56 protons and 30 neutrons.